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Multilocus variable-number tandem-repeat analysis scheme for chlamydia felis genotyping: comparison with multilocus sequence typing.


ABSTRACT: Chlamydia felis is an important ocular pathogen in cats worldwide. A multilocus variable-number tandem-repeat analysis (MLVA) system for the detection of tandem repeats across the whole genome of C. felis strain Fe/C-56 was developed. Nine selected genetic loci were tested by MLVA in 17 C. felis isolates, including the C. felis Baker vaccine strain, and 122 clinical samples from different geographic origins. Analysis of the results identified 25 distinct C. felis MLVA patterns. In parallel, a recently described multilocus sequence typing scheme for the typing of Chlamydia was applied to 13 clinical samples with 12 different C. felis MLVA patterns. Rare sequence differences were observed. Thus, the newly developed MLVA system provides a highly sensitive high-resolution test for the differentiation of C. felis isolates from different origins that is suitable for molecular epidemiological studies.

SUBMITTER: Laroucau K 

PROVIDER: S-EPMC3372120 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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Multilocus variable-number tandem-repeat analysis scheme for chlamydia felis genotyping: comparison with multilocus sequence typing.

Laroucau Karine K   Di Francesco Antonietta A   Vorimore Fabien F   Thierry Simon S   Pingret Jean Luc JL   Bertin Claire C   Willems Hermann H   Bölske Goran G   Harley Ross R  

Journal of clinical microbiology 20120411 6


Chlamydia felis is an important ocular pathogen in cats worldwide. A multilocus variable-number tandem-repeat analysis (MLVA) system for the detection of tandem repeats across the whole genome of C. felis strain Fe/C-56 was developed. Nine selected genetic loci were tested by MLVA in 17 C. felis isolates, including the C. felis Baker vaccine strain, and 122 clinical samples from different geographic origins. Analysis of the results identified 25 distinct C. felis MLVA patterns. In parallel, a re  ...[more]

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